this is the city's fourth homicide of the year. reporting live from san jose, janine de la vega, ktvu channel 2 news. >>> san francisco police are investigating the stabbing of two people. it happened shortly after 7:00 last night on fell street near civic center plaza. police say the victims were stabbed while trying to break up a fight. they were both rushed to the hospital in stable condition. so far, no arrests have been -- no arrests have been made. >>> in overnight news, san francisco firefighters say a barbecue grill is to blame for a house fire. it happened about 2:00 this morning on lion street. four people were inside the home but escaped safely. firefighters evacuated neighbors as a precaution. but the fire did not spread and no one was hurt. >>> 8:03. big announcement from virgin american airlines expected for today in san jose. the airline plans to add daily nonstop flights from san jose to los angeles beginning may 1st. up until now, virgin america has only flown out of sfo but people in the silicon valley tech indust